--- zzzz-none-000/linux-4.4.60/drivers/block/zram/zram_drv.h 2017-04-08 07:53:53.000000000 +0000 +++ scorpion-1750e-727/linux-4.4.60/drivers/block/zram/zram_drv.h 2021-02-04 17:41:59.000000000 +0000 @@ -118,5 +118,8 @@ * zram is claimed so open request will be failed */ bool claim; /* Protected by bdev->bd_mutex */ + + /* Used to add useful information to the oom info */ + struct notifier_block oom_info_block; }; #endif